Multifunctional large display The large 12-digit display clearly shows calculation data and meets the requirements of office use and student exams in various ways. Convenient key design Large keys with non-slip silicone pads, quiet operation when pressed, and removable keys for easy maintenance, providing a comfortable and user-friendly experience. Dual power supply Equipped with two power supply modes (solar power and button battery), energy-saving and environmentally friendly, ensuring reliable operation in different lighting conditions without power interruption. High-quality material Constructed from durable ABS material with a smooth surface and resilient texture, designed to withstand daily use while maintaining appearance and performance over time. Lightweight and portable Sleek white design with a compact size of 185*100 mm and lightweight build, making it easy to carry for on-the-go calculations, ideal for mobile work and study environments. Large screen and large buttons 12-digit large display with flat, spacious buttons that operate quietly, enabling clear visibility and ease of use across multiple settings. Durable material ABS casing with silicone anti-slip base, built to handle frequent daily use in office or educational environments. Beautiful gift option Elegant white finish with a premium look; includes a free transparent sticker for personalized decoration.